Grace Design M103

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Single channel mic preamp, EQ and optical compressor.


The Grace M103 Channel Strip begins with the tried and true m101 transformerless microphone preamplifier circuity. Headroom, detail, clarity, musicality –its all there. Complete with the exclusive ribbon mic mode, a 75Hz HPF and 48V phantom.
The 3 band EQ section is built around single stage parallel tuning architecture, which minimizes circuitry and delivers natural, musical tonal shaping at all frequencies. Controls include a fully parametric mid, with shelving and peak modes on the high and low bands.
The compressor circuit is based on an optical attenuator – the purest, high fidelity gain control mechanism available. It provides gentle limiting to fairly heavy compression, while remaining neutral and transparent. The perfect way to zip it all up and send it downstream – clean, intact and alive.
Comprehensive I/O options allow the mic pre and EQ/COMP sections to be accessed independently of each other, and the order of the EQ/COMP is switchable. The compressor controls can be linked for stereo applications, and 10 segment gain reduction and output meters make monitoring signal status simple.
The m103 – a channel strip by name, a powerful tool by design.
Fast and musical transimpedance microphone preamplifier architecture
Updated audio path with 0.5% precision metal film resistors
New 12 position gold plated rotary gain switch
High performance output line driver amplifier and HPF amplifier
Ribbon mic mode (also great for dynamic mics)- Relay bypass of phantom power decoupling capacitors, increased input impedance, and 48V lockout
3-band presicion EQ, fully parametric mid band, peak and shelf mode for hi and low bands
newly designed optical compressor
Mic amp direct output
EQ/COMP section line input
Bombproof laser-etched black anodized frontpanel
Sealed gold contact relay for Hi-Z input switching
Built in power supply
Led indicators for +48V, Ribbon mode, and HPF
powerful 10 segment meters for gain reduction and output level
Five year warranty on parts and labor
Made in the USA


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